Could you please take a look at the "authentication failure" section of the following wiki page?
https://wiki.ubuntu.com/DebuggingScreenLocking Also, are you able to reproduce this issue with Ubuntu 10.10 (maverick)? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/480188 Title: after locking screen and typing the incorrect password, gets stuck on "checking" -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs